@article {Bartholomae:1990:0736-2935:151, title = "Active noise cancellation - Performance in a hearing protector under ideal and degraded conditions", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1990", volume = "1990", number = "1", publication date ="1990-10-15T00:00:00", pages = "151-156", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1990/00001990/00000001/art00024", keyword = "62.1, 36.4", author = "Bartholomae, Roy C. and Stein, Robert R.", abstract = "", }